involvement in syria beyond enforcing a no-fly zone, and what would be the u.s. response to those conditions? >> well, as you know the effort has been an international effort to try to bring as much pressure on syria to gets a sad to step down -- to get assad to step down. our primary effort has been dedicated to three areas. number one, to try to provide, obviously, humanitarian relief to the large number of refugees both in turkey and in jordan, and we are doing that. we're providing significant humanitarian relief to try to assist those who have tried to escape the terrible tragedy in syria. secondly, to try to maintain control over the cbw sites and try to monitor those sites to insure that they do not fall into the wrong hands. so working with other countries in the region, we are making an effort to monitor that situation and to insure that that does not happen. it's a result of that monitoring that we were able to issue a very clear warning to syria not to take the step to make use of any of this cbw, or there would be serious consequences, and we still st